$ git clone -n https://src.fedoraproject.org/rpms/golang-gopkg-jcmturner-dnsutils-1.git /var/lib/mock/f45-build-12665-443/root/chroot_tmpdir/scmroot/golang-gopkg-jcmturner-dnsutils-1
Cloning into '/var/lib/mock/f45-build-12665-443/root/chroot_tmpdir/scmroot/golang-gopkg-jcmturner-dnsutils-1'...
$ git fetch origin bc40c1c13854528153b3e4b5c8f8df5a9eaec553:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-gopkg-jcmturner-dnsutils-1
 * [new ref]         bc40c1c13854528153b3e4b5c8f8df5a9eaec553 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc40c1c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild